Radiant|Lab Grown|IGI

1.28ct D IF Radiant Lab Grown Diamond

- • D/IF • IGI LG754594875

Certificate IGI LG754594875

Diamond specifications and retailer prices

From $390 USD
Save $2,360 USD (86%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,750 USD at Brilliant Earth
View at Brilliant Earth

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG754594875 or 754594875. Listed at 12 retailers, with prices from $390 to $2,750 at Brilliant Earth, a $2,360 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
D
Color
IF
Clarity
-
Cut

Specifications

Cut-
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754594875
Dimensions7.95 × 5.39 × 3.46 mm
L/W Ratio1.47
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.95 mm5.39 mm1.28 ctD / IF
OriginLab Grown
Cut-
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754594875
Side View
Table 60.0%Crown 42.5°Girdle: MED-STKPavilion 32.7°Culet: NoneDepth 64.2%

Caratlytics Score

How it works
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: 2 hours ago
Current: $2,750 USD|Low: $390 USD|High: $3,110 USD|Avg: $949 USD|-11.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14

28 data points across 14 retailers

12 retailers$390 USD - $2,750 USD

A
Cheapest Retailer
-
$390 USD
View
A
Retailer 2
-
$397 USD
HK$3,100 HKD
View
A
Retailer 3
-
$541 USD
€515 EUR
View
A
Retailer 4
-
$556 USD
ZAR 8,980 ZAR
View
A
Retailer 5
-
$567 USD
View
A
Retailer 6
-
$573 USD
£451 GBP
View
B+
Retailer 7
-
$749 USD
View
B+
Retailer 8
-
$879 USD
View
B+
Retailer 9
-
$884 USD
A$1,361 AUD
View
B+
Retailer 10
-
$1,132 USD
View
B
Retailer 11
-
$1,231 USD
View
Most Expensive
B
Brilliant Earth
17981344A · Sep 18
$2,750 USD
View
11 more retailers have this diamond
Prices start from $390 USDSave up to $2,360 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
1.28ct Radiant
$390 USD

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1.28ct D IF Radiant Lab-Grown Diamond, IGI LG754594875